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Ivanshal [37]
3 years ago
15

When potential energy changes to kenetic this is called???

Chemistry
1 answer:
Troyanec [42]3 years ago
5 0
It is called terminal velocity. I hope it's right though...
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Explain why it is important to warm up the solution after dissolving the antacid tablet?
Eduardwww [97]

Answer:

Because the reaction is endothermic, and because of that, it is necessary to warm up the solution, to achieve more dissolution

Explanation:

The chemical reactions can be exothermic or endothermic. In the first one, the system loses heat for the surroundings, so the temperature of the surroundings is increasing, and the system is decreasing.

In the endothermic reactions, the system is absorbing heat for the surroundings, so its temperature is increasing, and the temperature of the surroundings is decreasing.

Note that the flow heat only occurs when there is a difference in temperature because the system and the surroundings intend to the thermal equilibrium. So, for exothermic reactions, to control them and let them achieve the maximum conversion, is ideal to cool down the solution, so the reaction will lose more heat; and for endothermic reactions, it is ideal to warm up the solution, so the reaction can absorb more heat.

So, the reaction of the dissolve of the antiacid tablet is endothermic, and because of that, it is necessary to warm up the solution, to achieve more dissolution.

3 0
3 years ago
Why must every redox reaction involve an oxidizing agent and a reducing agent?
vagabundo [1.1K]

A reduced element (which gains electrons) and an oxidized element are required for redox reactions (gives electrons). It is not a redox reaction if we lack both of them (an element can not receive electrons if no element gives electrons and vice versa).

A reduced half and an oxidized half, which always occur together, make up redox processes. While the oxidized half experiences electron loss and an increase in oxidation number, the reduced half obtains electrons and the oxidation number declines. The mnemonic devices OIL RIG, which stand for "oxidation is loss" and "reduction is gain," are simple ways to memorize this. In a redox process, the total number of electrons stays constant. In the reduction half reaction, another species absorbs those that were released in the oxidation half reaction.

In a redox reaction, two species exchange electrons, and they are given unique names:

  • The ion or molecule that accepts electrons is called the oxidizing agent - by accepting electrons it oxidizes other species.
  • The ion or molecule that donates electrons is called the reducing agent - by giving electrons it reduces the other species.

Hence, what is oxidized is the reducing agent and what is reduced is the oxidizing agent.

<h3>What is the purpose of oxidizing agents and reducing agents?</h3>

By reducing other compounds and shedding electrons, a reducing agent raises its oxidation state. An oxidizing agent gets electrons by oxidizing other compounds; as a result, its oxidation state lowers.

<h3>What is a redox reaction?</h3>

Oxidation-reduction (or "redox") reactions are chemical processes in which electrons are exchanged between two substances. An oxidation-reduction reaction is any chemical process in which a molecule, atom, or ion alters the number of electrons it has, hence increasing or decreasing its oxidation state.

Learn more about redox reaction:  brainly.com/question/13293425

#SPJ4

4 0
2 years ago
Chemical properties of acetic acid
alex41 [277]
I don't think that there is a chemical property of it. here are the physical properties:
Melting Point:
16.6°C 
Boiling Point:
117.9°C<span>
</span>
<span>Density (g/cm3):
</span>
1.0446 at 25°C 9

<span>1 atm pressure</span>
7 0
3 years ago
Name the following compound NiBr2?
Fantom [35]

Answer:

the Name of NiBr2 is

Nickel(II) bromide

5 0
4 years ago
Read 2 more answers
I NEED ASAP PLEASE!!
miss Akunina [59]

Answer: freezing and evaporation for sure

Explanation:

7 0
4 years ago
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